418540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1231}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 931392

約数和(自身を除く): 512852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1231, 2462, 4924, 6155, 12310, 20927, 24620, 41854, 83708, 104635, 209270, 418540]

約数ペア:

[(1, 418540), (2, 209270), (4, 104635), (5, 83708), (10, 41854), (17, 24620), (20, 20927), (34, 12310), (68, 6155), (85, 4924), (170, 2462), (340, 1231)]